Green Frog

Green Frog

October 23, 2015
Heidi Rockney and Karen Wu
Green Frog

Green Frog.
Photo: Heidi Rockney

Name: Green Frog (Lithobates clamitans)
Order: Frogs (Anura)
Family: True Frogs (Ranidae)

What they look like

  • Up to 11cm
  • Bronze/brown or green and can be with or without dark spots
  • Have a two skin folds that run along each side and white bellies sometimes with blotches and/or lines
  • Light green jaw stripe and eyes are larger than tympanums (eardrum)

Where they live

  • Green frogs are not native Washington State; they are native to the Eastern United States.
  • Have been introduced into two areas in Washington State; Toad Lake in Whatcom County and Lake Gillette in Stevens County.
  • Prefer marshes, ponds, steam and lakes, typically with slow water with lots of plants.


  • Breeding season is Spring-summer
  • Eggs are laid in shallow water with lots of plants
  • Eggs have a foamy surface film (plinth) and are black above and white beneath
  • The eggs only take a few days to hatch

Cool Biology Facts

  • Will utter a high pitched ‘squawk’ when disturbed as it jumps away
  • Males are territorial and will get into physical fights to defend territory
  • Will actively eat both day and night (diurnal)


Explore more of the Amphibians & Reptiles of Washington or check out All About Amphibians.

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